Jared Ahrendsen, MD/PHD
NPI 1881128155 · Anatomic Pathology & Clinical Pathology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jared Ahrendsen, MD/PHD is a Anatomic Pathology & Clinical Pathology Physician provider in Chicago, IL (NPI 1881128155).
Provider details
- NPI number
- 1881128155
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD/PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036159617 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
303 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 122 | $27 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 45 | $79 |
| Pathology Cytologic Examination of Specimen During Surgery, Each Additional Site88334 | 42 | $36 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 32 | $33 |
| Microscopic Genetic Analysis of Tumor, Manual88360 | 28 | $39 |
| Pathology Examination of Specimen During Surgery, First Tissue Block88331 | 23 | $60 |
Practice location
Mailing address
Additional practice locations (1)
- 13436 Fitzsimons WayAurora, CO 80011-2704Phone: (720) 450-6383
Registry dates
- Enumerated
- 2017-04-13
- Last updated
- 2022-09-06
- Certified
- 2022-09-06
Frequently asked questions
- What is Jared Ahrendsen's NPI number?
- Jared Ahrendsen's National Provider Identifier (NPI) is 1881128155, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jared Ahrendsen's specialty?
- Jared Ahrendsen is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Jared Ahrendsen located?
- Jared Ahrendsen's practice location on file with NPPES is 710 N Fairbanks Ct Ste 2-454, Chicago, IL 60611-3013.
- What is Jared Ahrendsen's phone number?
- The practice phone number listed in the NPPES registry for Jared Ahrendsen is (312) 926-3211.
- Does Jared Ahrendsen accept Medicare?
- Jared Ahrendsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jared Ahrendsen's NPI active?
- Yes — Jared Ahrendsen's NPI (1881128155) is active in the NPPES registry as of the last update on 2022-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.